YELLOWSTONE ARBORETUM
" Stewards of the Natural Environment "
Billings, Montana @ ZooMontana
Caragana - Pea Shrub
Catalogue A# 0093-025 Z49
GPS 45D 43' 56" N / 108D 37' 22" W
Caragana arborescens
Family: Leguminosae
Common name: Siberian Pea Shrub, Caragana
Origin: Siberia, Manchuria
Location: SW of Schoolhouse entry along pathway
Number in accession: (10) original (2) surviving
Curators note: Very tall plant with good growth
Botanical name: Caragana arborescens (fruticosa)
All Common Names: Siberian pea-shrub; Siberian peashrub
Family (English): Pea
Family (Botanic): Fabaceae
Tree or Plant Type: Shrub
Foliage: Deciduous (seasonally loses leaves)
Native Locale: Non-native
Landscape Uses: Hedge, Massing, Mixed border, Screen, Specimen, Windbreak
Size Range: Compact tree (10-15 feet), Large shrub (more than 8 feet)
Mature Height: 15 to 20 feet high
Mature Width: 12 to 15 feet wide
Light Exposure: Full sun (6 hrs direct light daily), Partial sun/shade (4-6 hrs light daily)
Hardiness Zones: Zone 2, Zone 3, Zone 4, Zone 5 , Zone 6, Zone 7
Soil Preference: Acid soil, Alkaline soil, Dry soil, Moist, well-drained soil, Sandy soil
Acid Soils: Tolerant
Alkaline Soils: Tolerant
Salt Spray: Tolerant
Soil Salt: Tolerant
Drought Conditions: Tolerant
Poor Drainage: Intolerant
Planting Considerations: May be difficult to find in nurseries
Ornamental Interest: Spring blossoms, Persistent fruit/seeds, Showy fruit, Showy flowers
Season of Interest: Mid spring, Late spring, Early summer, Mid summer
Flower Color & Fragrance: Yellow
Shape or Form: Mounded, Multi-stemmed, Open, Oval, Round, Upright
Growth Rate: Moderate, Fast
CRITIQUE
Siberian pea-shrub is a hardy, sun-loving, large shrub tolerant of drought, wind, deer and varying soil conditions. Prized for its light green, ferny-like foliage and bright yellow spring flowers.